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JP2020166179A - Optical unit - Google Patents

Optical unit Download PDF

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Publication number
JP2020166179A
JP2020166179A JP2019067967A JP2019067967A JP2020166179A JP 2020166179 A JP2020166179 A JP 2020166179A JP 2019067967 A JP2019067967 A JP 2019067967A JP 2019067967 A JP2019067967 A JP 2019067967A JP 2020166179 A JP2020166179 A JP 2020166179A
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Japan
Prior art keywords
rod
optical unit
support member
shaped support
curved surface
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JP2019067967A
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Japanese (ja)
Inventor
伸司 南澤
Shinji Minamizawa
伸司 南澤
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Nidec Instruments Corp
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Nidec Sankyo Corp
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Priority to JP2019067967A priority Critical patent/JP2020166179A/en
Priority to CN202010210859.0A priority patent/CN111752070B/en
Priority to US16/827,723 priority patent/US11184511B2/en
Publication of JP2020166179A publication Critical patent/JP2020166179A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B5/02—Lateral adjustment of lens
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
    • G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B5/04—Vertical adjustment of lens; Rising fronts
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
    • H04N23/682—Vibration or motion blur correction
    • H04N23/685—Vibration or motion blur correction performed by mechanical compensation

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Adjustment Of Camera Lenses (AREA)
  • Camera Bodies And Camera Details Or Accessories (AREA)
  • Studio Devices (AREA)

Abstract

To improve assembly workability of a support part that displaceably supports a movable body including an optical module in an optical unit.SOLUTION: An optical unit comprises: a movable body 5 having an optical module 3; a fixed body 7 for holding the movable body 5 in a displaceable state; and a support mechanism 21 having a gimbal frame 25 for rotatably supporting the movable body 5 to the fixed body 7, around a first axis line L1 intersecting with an optical axis direction L of the optical module 3. The support mechanism 21 rotatably supports the movable body 5 to the fixed body 7 around the first axis line L1 via a first support part 19. The first support part 19 includes: a first rod-like support member 41 fixed at one of the fixed body and the gimbal frame; and a first contact part 51 that is arranged at the other of the fixed body and the gimbal frame and comes into contact with the first rod-like support member 41. The first rod-like support member 41 has a first tip end 43 that comes into contact with the first contact part 51 in an elastically pressed state.SELECTED DRAWING: Figure 4

Description

本発明は、カメラ付き携帯電話機等に搭載される光学ユニットに関するものである。 The present invention relates to an optical unit mounted on a camera-equipped mobile phone or the like.

この種の光学ユニットとして、特許文献１に記載されている光学ユニットが挙げられる。この光学ユニットは、ジンバルフレームを有する支持機構を介して光学モジュールを備える可動体を固定体に対して変位可能な状態で支持している。その支持を行う支持部の構造は、ボールをジンバルフレームの軸受部位に溶接等で固定したものである。或いは、ボールを溶接する代わりにプレス加工によって凸曲面を形成する構造の支持部もある。
この光学ユニットは、ピッチング（縦振れ）やヨーイング（横振れ）の補正を行う機能を備えている。 Examples of this type of optical unit include the optical unit described in Patent Document 1. This optical unit supports a movable body including an optical module in a displaceable state with respect to a fixed body via a support mechanism having a gimbal frame. The structure of the support portion that supports the ball is that the ball is fixed to the bearing portion of the gimbal frame by welding or the like. Alternatively, there is also a support portion having a structure in which a convex curved surface is formed by press working instead of welding the ball.
This optical unit has a function of correcting pitching (vertical runout) and yawing (horizontal runout).

特開２０１7−２１３３２号公報Japanese Unexamined Patent Publication No. 2017-21332

従来の上記光学ユニットは、可動体を支持する支持部がボールをジンバル機構の軸受部位に溶接等で固定した構造であるので、前記ボールが小さい場合は、その組立の難易度が高いという問題がある。また、前記ボールの代りにプレスによって凸曲面を形成する場合については、その凸曲面がプレス加工で作られるので、凸曲面の精度を高めるのが難しいと共に亀裂が発生する場合があるという問題がある。 The conventional optical unit has a structure in which a support portion that supports a movable body fixes a ball to a bearing portion of a gimbal mechanism by welding or the like. Therefore, if the ball is small, there is a problem that the difficulty of assembling the ball is high. is there. Further, when the convex curved surface is formed by pressing instead of the ball, there is a problem that it is difficult to improve the accuracy of the convex curved surface and cracks may occur because the convex curved surface is formed by press working. ..

本発明の目的は、光学ユニットにおいて光学モジュールを備える可動体を変位可能に支持する支持部の組立作業性を向上することにある。 An object of the present invention is to improve the workability of assembling a support portion that displaceably supports a movable body including an optical module in an optical unit.

上記課題を解決するため、本発明に係る光学ユニットは、光学モジュールを備える可動体と、前記可動体を変位可能な状態で保持する固定体と、前記可動体を前記固定体に対して、前記光学モジュールの光軸方向と交差する第１軸線周りに回転可能に支持するジンバルフレームを有する支持機構と、を備え、前記支持機構は、第１支持部を介して、前記可動体を前記固定体に対して前記第１軸線周りに回転可能に支持し、前記第１支持部は、前記固定体と前記ジンバルフレームのうちの一方に固定された第１の棒状支持部材と、前記固定体と前記ジンバルフレームのうちの他方に配置されて前記第１の棒状支持部材と接触する第１の接触部と、を備え、前記第１の棒状支持部材は前記第１の接触部と弾性的に押し付けられた状態で接触する第１の先端部を備える、ことを特徴とする。 In order to solve the above problems, the optical unit according to the present invention includes a movable body including an optical module, a fixed body that holds the movable body in a displaceable state, and the movable body with respect to the fixed body. A support mechanism having a gimbal frame that rotatably supports around a first axis intersecting the optical axis direction of the optical module is provided, and the support mechanism attaches the movable body to the fixed body via the first support portion. The first support member is rotatably supported around the first axis, and the first support portion is a first rod-shaped support member fixed to one of the fixed body and the gimbal frame, and the fixed body and the gimbal frame. It is provided with a first contact portion which is arranged on the other side of the gimbal frame and comes into contact with the first rod-shaped support member, and the first rod-shaped support member is elastically pressed against the first contact portion. It is characterized by having a first tip portion that comes into contact with the gimbal.

本態様によれば、前記可動体を前記固定体に前記第１軸線周りに回転可能に支持する前記第１支持部は、前記固定体と前記ジンバルフレームのうちの一方に固定された第１の棒状支持部材と、前記固定体と前記ジンバルフレームのうちの他方に配置されて前記第１の棒状支持部材と接触する第１の接触部と、を備える。このように、従来のボールの代りに棒状の支持部材を所定の箇所に固定する構造であるので、その棒状の部分を利用することで固定作業がし易くなり、その組立作業性が向上する。
また、前記可動体が前記固体体に対して変位する際の支持の支点についても棒状部材の先端を所望の形状に加工することで製造することができるので、その製造が容易である。 According to this aspect, the first support portion that rotatably supports the movable body to the fixed body around the first axis is fixed to one of the fixed body and the gimbal frame. It includes a rod-shaped support member and a first contact portion arranged on the other side of the fixed body and the gimbal frame and in contact with the first rod-shaped support member. As described above, since the structure is such that the rod-shaped support member is fixed at a predetermined position instead of the conventional ball, the fixing work is facilitated by using the rod-shaped portion, and the assembly workability is improved.
Further, the fulcrum of the support when the movable body is displaced with respect to the solid body can also be manufactured by processing the tip of the rod-shaped member into a desired shape, so that the manufacture is easy.

本発明は、上記光学ユニットにおいて更に、前記支持機構は、第２支持部を介して、前記可動体を前記ジンバルフレームに前記光軸方向及び前記第１軸線方向に交差する第２軸線周りに回転可能に支持し、前記第２支持部は、前記可動体と前記ジンバルフレームのうちの一方に固定された第２の棒状支持部材と、前記可動体と前記ジンバルフレームのうちの他方に配置されて前記第２の棒状支持部材と接触する第２の接触部と、を備え、前記第２の棒状支持部材は前記第２の接触部と弾性的に押し付けられた状態で接触する第２の先端部を備える、ことが好ましい。 In the optical unit, the support mechanism further rotates the movable body around the second axis intersecting the gimbal frame in the optical axis direction and the first axis direction via the second support portion. The second support portion is possibly supported and is arranged on a second rod-shaped support member fixed to one of the movable body and the gimbal frame, and the other of the movable body and the gimbal frame. A second tip portion that includes a second contact portion that contacts the second rod-shaped support member, and the second rod-shaped support member comes into contact with the second contact portion in an elastically pressed state. It is preferable to provide.

本態様によれば、前記可動体を前記ジンバルフレームに前記第１軸線周りに回転可能に支持する前記第２支持部は、前記可動体と前記ジンバルフレームのうちの一方に固定された第２の棒状支持部材と、前記可動体と前記ジンバルフレームのうちの他方に配置されて前記第２の棒状支持部材と接触する第２の接触部と、を備える。これにより、前記可動体と前記ジンバルフレームの間における第２支持部についても、前記第１支持部と同様に、前記棒状の部分を利用することで固定作業がし易くなり、その組立作業性が向上する。 According to this aspect, the second support portion that rotatably supports the movable body on the gimbal frame around the first axis is a second fixed to one of the movable body and the gimbal frame. It includes a rod-shaped support member and a second contact portion arranged on the other side of the movable body and the gimbal frame and in contact with the second rod-shaped support member. As a result, the second support portion between the movable body and the gimbal frame can be easily fixed by using the rod-shaped portion as in the case of the first support portion, and the assembly workability is improved. improves.

本発明は、上記光学ユニットにおいて更に、前記棒状支持部材は基端にフランジを備える、ことが好ましい。 In the present invention, it is preferable that the rod-shaped support member further includes a flange at the base end in the optical unit.

本態様によれば、前記棒状支持部材は基端にフランジを備えている。これにより、前記棒状支持部材を接着固定する場合に、接着面積が大きくなるので接着強度を増加することができる。 According to this aspect, the rod-shaped support member is provided with a flange at a base end. As a result, when the rod-shaped support member is adhesively fixed, the adhesive area becomes large, so that the adhesive strength can be increased.

本発明は、上記光学ユニットにおいて更に、前記棒状支持部材は基端から前記先端部に向かって延びる延在部を備え、前記延在部は、前記接触部に対して、前記ジンバルフレームが前記延在部の前記延びる方向と交差する方向に変位する範囲を規制する規制部を備える、ことが好ましい。 In the present invention, in the optical unit, the rod-shaped support member further includes an extending portion extending from a base end toward the tip portion, and the extending portion has the gimbal frame extending with respect to the contact portion. It is preferable to include a regulating portion that regulates a range of displacement of the existing portion in a direction intersecting the extending direction.

本態様によれば、前記棒状支持部材の前記延在部が前記接触部に対して前記延在部の前記延びる方向と交差する方向に変位する範囲を規制する規制部を備えている。これにより、光学ユニットに衝撃が加わった場合に、前記支持部が外れて前記可動体や前記支持機構が脱落することを抑制することができる。
また、前記延在部の長さや固定位置を調整することにより、前記支持機構における与圧を容易に調整することができる。 According to this aspect, the rod-shaped support member includes a regulating portion that regulates a range in which the extending portion is displaced with respect to the contact portion in a direction intersecting the extending direction of the extending portion. As a result, when an impact is applied to the optical unit, it is possible to prevent the support portion from coming off and the movable body and the support mechanism from falling off.
In addition, the pressurization in the support mechanism can be easily adjusted by adjusting the length and the fixed position of the extending portion.

本発明は、上記光学ユニットにおいて、前記棒状支持部材の前記先端部は凸曲面の形状であり、前記接触部と前記規制部との前記延在部の延びる方向における距離は、前記凸曲面の曲率半径以上である、ことが好ましい。 In the present invention, in the optical unit, the tip portion of the rod-shaped support member has a convex curved surface shape, and the distance between the contact portion and the regulating portion in the extending direction of the extending portion is the curvature of the convex curved surface. It is preferably greater than or equal to the radius.

本態様によれば、前記接触部と前記規制部との前記延在部の延びる方向における距離は、前記先端部の凸曲面の曲率半径以下である。これにより、光学ユニットに衝撃が加わった場合に、前記棒状支持部材が前記規制部からも外れてしまうことを抑制することができる。 According to this aspect, the distance between the contact portion and the restricting portion in the extending direction of the extending portion is equal to or less than the radius of curvature of the convex curved surface of the tip portion. As a result, it is possible to prevent the rod-shaped support member from being disengaged from the regulation portion when an impact is applied to the optical unit.

本発明は、上記光学ユニットにおいて更に、前記棒状支持部材の前記先端部は凸曲面の形状であり、前記接触部は凹曲面の形状であり、前記凹曲面の曲率半径は前記凸曲面の曲率半径より大きく、前記規制部の前記棒状支持部材の前記延在部との隙間は、前記凹曲面の開口縁の円の半径より小さい、ことが好ましい。 In the present invention, further, in the optical unit, the tip portion of the rod-shaped support member has a convex curved surface shape, the contact portion has a concave curved surface shape, and the radius of curvature of the concave curved surface is the radius of curvature of the convex curved surface. It is preferable that the gap between the restricting portion and the extending portion of the rod-shaped support member is smaller than the radius of the circle of the opening edge of the concave curved surface.

本態様によれば、前記規制部の前記棒状支持部材の前記延在部との隙間は、前記接触部の前記凹曲面の開口縁の円の半径より小さい。これにより、光学ユニットに衝撃が加わって前記棒状支持部材と前記規制部が接触した場合でも、前記棒状支持部材が前記凹曲面から抜けることを抑制することができる。 According to this aspect, the gap between the rod-shaped support member of the regulation portion and the extending portion of the rod-shaped support member is smaller than the radius of the circle of the opening edge of the concave curved surface of the contact portion. As a result, even when an impact is applied to the optical unit and the rod-shaped support member comes into contact with the regulation portion, it is possible to prevent the rod-shaped support member from coming off the concave curved surface.

本発明は、上記光学ユニットにおいて更に、前記接触部は、前記凹曲面の開口縁の周囲に補強部を備える、ことが好ましい。 In the present invention, it is preferable that the contact portion of the optical unit further includes a reinforcing portion around the opening edge of the concave curved surface.

本態様によれば、前記補強部によって、前記接触部の凹曲面の部分の強度を増加することができる。 According to this aspect, the reinforcing portion can increase the strength of the concave curved surface portion of the contact portion.

本発明は、上記光学ユニットにおいて更に、前記接触部と前記規制部は一体の部材で形成されている、ことが好ましい。 In the present invention, it is preferable that the contact portion and the regulation portion are further formed of an integral member in the optical unit.

本態様によれば、前記接触部と前記規制部は一体の部材で形成されているので、部品点数を削減することができる。 According to this aspect, since the contact portion and the regulation portion are formed of an integral member, the number of parts can be reduced.

本発明は、上記光学ユニットにおいて更に、前記棒状支持部材の前記延在部は円柱形状であり、前記規制部は円環状である、ことが好ましい。 In the present invention, in the optical unit, it is preferable that the extending portion of the rod-shaped support member has a cylindrical shape and the restricting portion has an annular shape.

本態様によれば、前記棒状支持部材の前記延在部は円柱形状であり、前記規制部は円環状である。これにより、前記棒状支持部材と前記規制部の規制位置と距離が全方向で同じになるので、どの方向に対しても同様に規制による外れ抑制の効果を得ることができる。 According to this aspect, the extending portion of the rod-shaped support member has a cylindrical shape, and the restricting portion has an annular shape. As a result, the regulation position and the distance between the rod-shaped support member and the regulation portion are the same in all directions, so that the effect of suppressing the deviation by regulation can be obtained in the same direction in any direction.

本発明は、上記光学ユニットにおいて更に、前記固定体は、前記ジンバルフレームを周囲から囲むように配置されている、ことが好ましい。 In the present invention, it is preferable that the fixed body is further arranged so as to surround the gimbal frame from the periphery in the optical unit.

本態様によれば、前記固定体は、前記ジンバルフレームを周囲から囲むように配置されている。これにより、前記支持機構の与圧調整を、固定体の側から調整できるよう構造にすることで、その調整作業を行い易くすることができる。 According to this aspect, the fixed body is arranged so as to surround the gimbal frame from the periphery. As a result, the pressurization adjustment of the support mechanism can be adjusted from the side of the fixed body, so that the adjustment work can be facilitated.

本発明によれば、光学ユニットにおいて光学モジュールを備える可動体を変位可能に支持する支持部の組立作業性を向上することができる。 According to the present invention, it is possible to improve the workability of assembling a support portion that displaceably supports a movable body including an optical module in an optical unit.

本発明の実施形態１を示す図で、光学ユニットの斜視図である。It is a figure which shows Embodiment 1 of this invention, and is the perspective view of the optical unit. 本発明の実施形態１を示す図で、固定体、フレキシブル配線基板を外した状態の斜視図である。It is a figure which shows Embodiment 1 of this invention, and is the perspective view in the state which the fixed body and the flexible wiring board are removed. 図２から磁石を外した状態の斜視図である。It is a perspective view of the state where the magnet is removed from FIG. 図２と同じ状態の平面図である。It is a plan view of the same state as FIG. 本発明の実施形態１を示す図で、図２から可動体を外して支持機構のジンバルフレーム部分を示す斜視図である。It is a figure which shows Embodiment 1 of this invention, and is the perspective view which shows the gimbal frame part of the support mechanism by removing the movable body from FIG. 図３同じ状態の図で、図３と見る方向を変えた斜視図である。FIG. 3 is a perspective view of the same state as that of FIG. 3 with a different viewing direction. 本発明の実施形態１を示す図で、第１の支持部の部分の拡大断面図である。It is a figure which shows Embodiment 1 of this invention, and is the enlarged sectional view of the part of the 1st support part. 本発明の実施形態１を示す図で、第２の支持部の部分の拡大断面図である。It is a figure which shows Embodiment 1 of this invention, and is the enlarged sectional view of the part of the 2nd support part. 本発明の実施形態２を示す図で、図７に対応する拡大断面図である。It is a figure which shows Embodiment 2 of this invention, and is the enlarged sectional view corresponding to FIG.

以下、本発明に係る光学ユニットについて、図１〜図８に表す実施形態１と、図９に表す実施形態２に基づいて詳細に説明する。 Hereinafter, the optical unit according to the present invention will be described in detail based on the first embodiment shown in FIGS. 1 to 8 and the second embodiment shown in FIG.

［実施形態１］
＜光学ユニットの概略説明（図１参照）＞
本実施形態１に係る光学ユニット１は、光学モジュール３の、少なくともピッチング（縦振れ）及びヨーイング（横振れ）補正機能を備えた光学ユニットである。光学モジュール３は、例えばカメラ付携帯電話機やタブレット型ＰＣ等に搭載される薄型カメラ等として用いられる。光学モジュール３を保持して光学モジュール３に生じたピッチング方向Ｙ及びヨーイング方向Ｘの補正を行うアクチュエーター部分が光学ユニット１の主要な構成になっている。
以下、光学ユニット１の具体的構成について詳しく説明する。 [Embodiment 1]
<Overview of the optical unit (see Fig. 1)>
The optical unit 1 according to the first embodiment is an optical unit of the optical module 3 having at least pitching (vertical runout) and yawing (horizontal runout) correction functions. The optical module 3 is used, for example, as a thin camera mounted on a mobile phone with a camera, a tablet PC, or the like. An actuator portion that holds the optical module 3 and corrects the pitching direction Y and the yawing direction X generated in the optical module 3 is the main configuration of the optical unit 1.
Hereinafter, the specific configuration of the optical unit 1 will be described in detail.

＜光学ユニットの具体的構成（図１から図８参照）＞
本実施形態１の光学ユニット１は、光学モジュール３を備える可動体５と、可動体５をピッチング（縦振れ）方向Ｙとヨーイング（横振れ）方向Ｘに変位可能な状態で周囲から囲って保持する固定体７と、可動体５を固定体７に対して、光学モジュール３の光軸方向Ｌと交差する第１軸線Ｌ１周りに回転可能に支持するジンバルフレーム２５を有する支持機構２１と、を備える。この支持機構２１は、第１支持部１９を介して、可動体５を固定体７に対して第１軸線Ｌ１周りに回転可能に支持している。
本実施形態１では、更に、支持機構２１は、第２支持部２０を介して、可動体５をジンバルフレーム２５に光軸方向Ｌ及び前記第１軸線方向Ｌ１に交差する第２軸線Ｌ２周りに回転可能に支持している。 <Specific configuration of the optical unit (see FIGS. 1 to 8)>
The optical unit 1 of the first embodiment surrounds and holds the movable body 5 including the optical module 3 and the movable body 5 in a state where they can be displaced in the pitching (longitudinal runout) direction Y and the yawing (horizontal runout) direction X. A fixed body 7 and a support mechanism 21 having a gimbal frame 25 that rotatably supports the movable body 5 with respect to the fixed body 7 around a first axis L1 intersecting the optical axis direction L of the optical module 3. Be prepared. The support mechanism 21 rotatably supports the movable body 5 with respect to the fixed body 7 around the first axis L1 via the first support portion 19.
In the first embodiment, the support mechanism 21 further connects the movable body 5 to the gimbal frame 25 around the second axis L2 which intersects the optical axis direction L and the first axis direction L1 via the second support portion 20. It supports rotatably.

また、本実施形態１では、可動体５を第１軸線Ｌ１周り及び第２軸線Ｌ２周りに駆動する振れ補正用駆動機構２３を備えている。振れ補正用駆動機構２３は、可動体５の姿勢を補正するためのもので、補正用コイル３１、３２と磁石３３、３４の対により構成されている。補正用コイル３１、３２は、図１に表したように、固定体７側に設けられ、磁石３３、３４は、図２に表したように、可動体５側に取り付けられている。図４において、符号３５はヨークを示す。
これらの補正用コイル３１、３２と磁石３３、３４により可動体５のピッチングとヨーイングの補正が行われる。図１において、符号１３はフレキシブル配線基板を示す。 Further, the first embodiment includes a runout correction drive mechanism 23 that drives the movable body 5 around the first axis L1 and around the second axis L2. The runout correction drive mechanism 23 is for correcting the posture of the movable body 5, and is composed of a pair of correction coils 31 and 32 and magnets 33 and 34. The correction coils 31 and 32 are provided on the fixed body 7 side as shown in FIG. 1, and the magnets 33 and 34 are attached on the movable body 5 side as shown in FIG. In FIG. 4, reference numeral 35 indicates a yoke.
These correction coils 31, 32 and magnets 33, 34 correct the pitching and yawing of the movable body 5. In FIG. 1, reference numeral 13 indicates a flexible wiring board.

＜可動体＞
可動体５は、図２から図６に表したように、光学モジュール３と、光学モジュール３を保持すると共にピッチング及びヨーイングの検出用及び補正用の磁石３３、３４を取り付ける枠体１７を備える。
光学モジュール３は、被写体側＋Ｚにレンズ３ａを備え、矩形筐体状のハウジング３ｂの内部に撮像を行うための光学機器等が内蔵されている。枠体１７は、光学モジュール３のレンズ３ａが設けられる前面と、反対側の後面を除く、残りの４面を取り囲むように設けられる矩形枠状の部材である。枠体１７の２つの面を利用してピッチング及びヨーイング検出用の磁石３３、３４がこれらの外面側に取り付けられている。 <Movable body>
As shown in FIGS. 2 to 6, the movable body 5 includes an optical module 3 and a frame body 17 that holds the optical module 3 and attaches magnets 33 and 34 for detecting and correcting pitching and yawing.
The optical module 3 is provided with a lens 3a on the subject side + Z, and an optical device or the like for performing imaging is built in the rectangular housing 3b. The frame body 17 is a rectangular frame-shaped member provided so as to surround the remaining four surfaces excluding the front surface on which the lens 3a of the optical module 3 is provided and the rear surface on the opposite side. Magnets 33 and 34 for pitching and yawing detection are attached to the outer surface side of the two surfaces of the frame body 17.

＜固定体＞
固定体７は、図１に表したように、外部ケーシング３９と、外部ケーシング３９内に組付けられると共に、ピッチング及びヨーイングの補正用コイル３１、３２がフレキシブル配線基板１３と共に配設されている。本実施形態１では、図１に破線で示したように、補正用コイル３１、３２はフレキシブル配線基板１３の背面側であって、磁石３３、３４に対応する位置に配置されている。
外部ケーシング３９は、被写体側＋Ｚとなる前面に窓部４を有し、被写体と反対側−Ｚとなる後面が開放されている構造であり、光学モジュール３より一回り大きな矩形容器状の部材である。 <Fixed body>
As shown in FIG. 1, the fixed body 7 is assembled in the outer casing 39 and the outer casing 39, and the pitching and yawing correction coils 31 and 32 are arranged together with the flexible wiring board 13. In the first embodiment, as shown by the broken line in FIG. 1, the correction coils 31 and 32 are arranged on the back surface side of the flexible wiring board 13 at positions corresponding to the magnets 33 and 34.
The outer casing 39 has a window portion 4 on the front surface which is the subject side + Z, and has a structure in which the rear surface which is the opposite side −Z from the subject is open. is there.

＜ジンバルフレームを有する支持機構＞
図２から図６に表したように、支持機構２１は、金属製の平板材料を折り曲げることによって形成されるバネ性を有するジンバルフレーム２５を備える。本実施形態１では、ジンバルフレーム２５は、光学モジュール３の被写体側＋Ｚに配置され、光学モジュール３の入光部側のベースフレーム２４の中央部には円形の開口部３０が形成されている。ジンバルフレーム２５は、中央に開口部３０が形成された矩形枠状のベースフレーム２４と、ベースフレーム２４の四方のコーナー部から光軸Ｌを中心にして第１軸線Ｌ１方向に延在する第１延在部２６と、第２軸線Ｌ２方向に延在する第２延在部２８と、を備えて全体としてＸ字状に形成されている。
本実施形態１では、ジンバルフレーム２５は、前記Ｘ字状を成して位置する第１延在部２６と第２延在部２８をその延設する方向に長く形成し、これらの先端部を光軸方向Ｌに沿う方向に折り曲げることによって第１支持部用延設部２７と第２支持部用延設部２９がそれぞれ形成されている。第１支持部用延設部２７に第１支持部１９が設けられ、第２支持部用延設部２９に第２支持部２０が設けられる。 <Support mechanism with gimbal frame>
As shown in FIGS. 2 to 6, the support mechanism 21 includes a gimbal frame 25 having a spring property formed by bending a metal flat plate material. In the first embodiment, the gimbal frame 25 is arranged on the subject side + Z of the optical module 3, and a circular opening 30 is formed in the central portion of the base frame 24 on the light receiving portion side of the optical module 3. The gimbal frame 25 has a rectangular frame-shaped base frame 24 having an opening 30 formed in the center, and a first gimbal frame 25 extending in the direction of the first axis L1 about the optical axis L from the four corners of the base frame 24. The extending portion 26 and the second extending portion 28 extending in the direction of the second axis L2 are provided and formed in an X shape as a whole.
In the first embodiment, the gimbal frame 25 is formed so that the first extending portion 26 and the second extending portion 28 located in the X-shape are elongated in the extending direction, and the tip portions thereof are formed. The extension portion 27 for the first support portion and the extension portion 29 for the second support portion are formed by bending in the direction along the optical axis direction L, respectively. The first support portion 19 is provided in the extension portion 27 for the first support portion, and the second support portion 20 is provided in the extension portion 29 for the second support portion.

また、図２から図４に表したように、ジンバルフレーム２５は、第１延在部２６と可動体５の光軸方向Ｌにおける隙間は、第２延在部２８と可動体５の光軸方向Ｌにおける隙間よりも大きく形成されている。言い換えると、ジンバルフレーム２５は、折れ線Ｄ、Ｅで折り曲げることによって第１延在部２６の先端部の光軸方向＋Ｚの高さが第２延在部２８の先端部の光軸方向＋Ｚの高さより高くなるように、即ち、可動体５に対して高い位置になるように形成されている。
尚、第１支持部用延設部２７と第２支持部用延設部２９については、必ずしもその全部が板状でなくてもよく、その一部のみを板状に形成してバネ性を発揮させるようにしてもよい。また、第１支持部用延設部２７と第２支持部用延設部２９の一方を板状以外の他の形状（例えばロッド形状等）にすることも可能である。 Further, as shown in FIGS. 2 to 4, in the gimbal frame 25, the gap between the first extending portion 26 and the movable body 5 in the optical axis direction L is the optical axis of the second extending portion 28 and the movable body 5. It is formed larger than the gap in the direction L. In other words, the gimbal frame 25 is bent along the polygonal lines D and E so that the height of the tip of the first extending portion 26 in the optical axis direction + Z is the height of the tip of the second extending portion 28 in the optical axis direction + Z. It is formed so as to be higher than that, that is, at a higher position with respect to the movable body 5.
The extension portion 27 for the first support portion and the extension portion 29 for the second support portion do not necessarily have to be all plate-shaped, and only a part thereof is formed into a plate shape to provide springiness. You may try to exert it. Further, it is also possible to make one of the extension portion 27 for the first support portion and the extension portion 29 for the second support portion 29 into a shape other than the plate shape (for example, a rod shape).

＜第１支持部と第２支持部＞
第１支持部１９は、図７に表したように、本実施形態１では、固定体７に固定された第１の棒状支持部材４１と、ジンバルフレーム２５の第１支持部用延設部２７に配置されて第１の棒状支持部材４１と接触する第１の接触部５１とを備える。そして、第１の棒状支持部材４１は、第１の接触部５１と弾性的に押し付けられた状態で接触する第１の先端部４３を備える。 逆でもよい（後述する）。
第２支持部２０は、図８に表したように、本実施形態１では、可動体５の枠体１７に固定された第２の棒状支持部材４５と、ジンバルフレーム２５の第２支持部用延設部２９に配置されて第２の棒状支持部材４５と接触する第２の接触部５３とを備える。そして、第２の棒状支持部材４５は、第２の接触部５３と弾性的に押し付けられた状態で接触する第２の先端部４７を備える。
ここで、前記「弾性的に押し付けられた状態」は、ジンバルフレーム２５に付与されるバネ性に基づいて実現される。 <1st support and 2nd support>
As shown in FIG. 7, the first support portion 19 includes a first rod-shaped support member 41 fixed to the fixed body 7 and an extension portion 27 for the first support portion of the gimbal frame 25 in the first embodiment. It is provided with a first contact portion 51 which is arranged in the above and comes into contact with the first rod-shaped support member 41. The first rod-shaped support member 41 includes a first tip portion 43 that comes into contact with the first contact portion 51 in a state of being elastically pressed. The reverse is also possible (described later).
As shown in FIG. 8, the second support portion 20 is used for the second rod-shaped support member 45 fixed to the frame body 17 of the movable body 5 and the second support portion of the gimbal frame 25 in the first embodiment. It includes a second contact portion 53 that is arranged in the extension portion 29 and comes into contact with the second rod-shaped support member 45. The second rod-shaped support member 45 includes a second tip portion 47 that comes into contact with the second contact portion 53 in a state of being elastically pressed.
Here, the "elastically pressed state" is realized based on the springiness imparted to the gimbal frame 25.

また本実施形態１では、第１の棒状支持部材４１は、基端に第１のフランジ４６を備えている。固定体７には第１のフランジ４６が入れる大きさの第１の凹部７１が設けられている。この第１のフランジ４６により、第１の棒状支持部材４１を固定体７に接着剤により固定する場合に、接着面積が大きくなるので接着強度を増加することができる。
同様に、第２の棒状支持部材４５は、基端に第２のフランジ４８を備えている。可動体５の枠体１７には第２のフランジ４８が入れる大きさの第２の凹部７１が設けられている。この第２のフランジ４８により、第２の棒状支持部材４５を可動体５の枠体１７に接着剤により固定する場合に、接着面積が大きくなるので接着強度を増加することができる。
尚、前記接着剤とは別の固定でもよく、例えばカシメにより固定してもよい。このカシメによる固定の場合は、第１の凹部７１と第２の凹部７２の縁を内側に潰して第１の棒状支持部材４１及び第１の棒状支持部材４３を固定する。 Further, in the first embodiment, the first rod-shaped support member 41 includes a first flange 46 at its base end. The fixed body 7 is provided with a first recess 71 large enough to accommodate the first flange 46. When the first rod-shaped support member 41 is fixed to the fixed body 7 with an adhesive by the first flange 46, the adhesive area becomes large, so that the adhesive strength can be increased.
Similarly, the second rod-shaped support member 45 includes a second flange 48 at its base end. The frame body 17 of the movable body 5 is provided with a second recess 71 large enough to accommodate the second flange 48. With the second flange 48, when the second rod-shaped support member 45 is fixed to the frame body 17 of the movable body 5 with an adhesive, the adhesive area becomes large, so that the adhesive strength can be increased.
The adhesive may be fixed separately from the adhesive, and may be fixed by caulking, for example. In the case of fixing by this caulking, the edges of the first recess 71 and the second recess 72 are crushed inward to fix the first rod-shaped support member 41 and the first rod-shaped support member 43.

また本実施形態１では、第１の棒状支持部材４１は、基端から第１の先端部４３に向かって延びる第１の延在部４２を備え、第１の延在部４２は、第１の接触部５１に対して、ジンバルフレーム２５が第１の延在部４２の前記延びる方向と交差する方向であるＺ方向に変位する範囲を規制する第１の規制部６１を備える。即ち、ジンバルフレーム２５が変形した際に、第１の延在部４２が第１の接触部５１に対して第１の延在部４２の前記延びる方向と交差する方向であるＺ方向に変位する範囲を規制する第１の規制部６１を備える。
同様に、第２の棒状支持部材４５は、基端から第２の先端部４７に向かって延びる第２の延在部４４を備え、第２の延在部４４は、第２の接触部５３に対して、ジンバルフレーム２５が第２の延在部４４の前記延びる方向と交差する方向であるＺ方向に変位する範囲を規制する第２の規制部６３を備える。即ち、ジンバルフレーム２５が変形した際に、第２の延在部４４が第２の接触部５３に対して第２の延在部４４の前記延びる方向と交差する方向であるＺ方向に変位する範囲を規制する第２の規制部６３を備える。 Further, in the first embodiment, the first rod-shaped support member 41 includes a first extending portion 42 extending from the base end toward the first tip portion 43, and the first extending portion 42 is the first. The contact portion 51 is provided with a first regulating portion 61 that regulates a range in which the gimbal frame 25 is displaced in the Z direction, which is a direction intersecting the extending direction of the first extending portion 42. That is, when the gimbal frame 25 is deformed, the first extending portion 42 is displaced with respect to the first contact portion 51 in the Z direction, which is a direction intersecting the extending direction of the first extending portion 42. A first regulation unit 61 that regulates the range is provided.
Similarly, the second rod-shaped support member 45 includes a second extending portion 44 extending from the base end toward the second tip portion 47, and the second extending portion 44 is a second contact portion 53. On the other hand, the gimbal frame 25 includes a second regulating portion 63 that regulates a range in which the gimbal frame 25 is displaced in the Z direction, which is a direction intersecting the extending direction of the second extending portion 44. That is, when the gimbal frame 25 is deformed, the second extending portion 44 is displaced with respect to the second contact portion 53 in the Z direction, which is a direction intersecting the extending direction of the second extending portion 44. A second regulation unit 63 for regulating the range is provided.

また本実施形態１では、第１の接触部５１と第１の規制部６１は一体の部材で形成されている。具体的には、ジンバルフレーム２５の第１支持部用延設部２７の先端部分をＵ字状に折り曲げることで一体に形成されている。
同様に、第２の接触部５３と第２の規制部６３も一体の部材で形成されている。具体的には、ジンバルフレーム２５の第２支持部用延設部２９の先端部分をＵ字状に折り曲げることで一体に形成されている。
第１の接触部５１と第１の規制部６１は一体の部材で形成されているので、部品点数を削減することができる。同様に、第２の接触部５３と第２の規制部６３も一体の部材で形成されているので、部品点数を削減することができる。
尚、第１の接触部５１と第１の規制部６１は一体の部材ではなく別の部材で形成して一体に連結した構造でもよい。更に一体化しないで別体の状態でそれぞれ配設してもよい。 Further, in the first embodiment, the first contact portion 51 and the first regulation portion 61 are formed of an integral member. Specifically, the tip portion of the extension portion 27 for the first support portion of the gimbal frame 25 is integrally formed by bending it in a U shape.
Similarly, the second contact portion 53 and the second regulation portion 63 are also formed of an integral member. Specifically, the tip portion of the extension portion 29 for the second support portion of the gimbal frame 25 is integrally formed by bending it into a U shape.
Since the first contact portion 51 and the first regulation portion 61 are formed of an integral member, the number of parts can be reduced. Similarly, since the second contact portion 53 and the second regulation portion 63 are also formed of an integral member, the number of parts can be reduced.
The first contact portion 51 and the first regulation portion 61 may be formed of different members instead of an integral member and may be integrally connected. Further, they may be arranged separately without being integrated.

また本実施形態１では、第１の棒状支持部材４１の第１の延在部４２は円柱形状に形成され、第１の規制部６１は円環状の第１の孔６５を有する。第１の棒状支持部材４１の第１の延在部４２は、第１の孔６５の中心に配置される。
同様に、第２の棒状支持部材４５の第２の延在部４４は円柱形状に形成され、第２の規制部６３は円環状の第２の孔６７を有する。第２の棒状支持部材４５の第２の延在部４４は、第２の孔６７の中心に配置される。 Further, in the first embodiment, the first extending portion 42 of the first rod-shaped support member 41 is formed in a cylindrical shape, and the first regulating portion 61 has an annular first hole 65. The first extending portion 42 of the first rod-shaped support member 41 is arranged at the center of the first hole 65.
Similarly, the second extending portion 44 of the second rod-shaped support member 45 is formed in a cylindrical shape, and the second regulating portion 63 has an annular second hole 67. The second extending portion 44 of the second rod-shaped support member 45 is arranged at the center of the second hole 67.

また本実施形態１では、第１の棒状支持部材４１の第１の先端部４３は、凸曲面の形状であり、一方第１の接触部５１は凹曲面の形状である。第１の接触部５１が凹曲面の形状であることにより、可動体５が第１軸線Ｌ１周りに回動する際の回動支点としての位置が安定する。尚、第１接触部５１は凹曲面ではなく平坦面の形状であってもよいが、この平坦面の形状の場合は、第１の棒状支持部材４１の第１の先端部４３が前記支点としての位置からずれる量が所定量に制限される構造にすることが望ましい。
また、第１の棒状支持部材４１の第１の先端部４３は凸曲面の形状であるので、可動体５が第１軸線Ｌ１周りに回動する際の回動支点としての位置が安定する。 Further, in the first embodiment, the first tip portion 43 of the first rod-shaped support member 41 has a convex curved surface shape, while the first contact portion 51 has a concave curved surface shape. Since the first contact portion 51 has a concave curved surface shape, the position as a rotation fulcrum when the movable body 5 rotates around the first axis L1 is stable. The first contact portion 51 may have a flat surface shape instead of a concave curved surface, but in the case of this flat surface shape, the first tip portion 43 of the first rod-shaped support member 41 serves as the fulcrum. It is desirable to have a structure in which the amount deviated from the position of is limited to a predetermined amount.
Further, since the first tip portion 43 of the first rod-shaped support member 41 has a convex curved surface shape, the position as a rotation fulcrum when the movable body 5 rotates around the first axis L1 is stable.

同様に、第２の棒状支持部材４５の第２の先端部４７は、凸曲面の形状であり、一方第２の接触部５３は凹曲面の形状である。第２の接触部５３が凹曲面の形状であることにより、可動体５が第２軸線Ｌ２周りに回動する際の回動支点としての位置が安定する。尚、第２接触部５３は凹曲面ではなく平坦面の形状であってもよいが、この平坦面の形状の場合は、第２の棒状支持部材４５の第２の先端部４７が前記支点としての位置からずれる量が所定量に制限される構造にすることが望ましい。
また、第２の棒状支持部材４５の第２の先端部４７は凸曲面の形状であるので、可動体５が第２軸線Ｌ２周りに回動する際の回動支点としての位置が安定する。 Similarly, the second tip portion 47 of the second rod-shaped support member 45 has a convex curved surface shape, while the second contact portion 53 has a concave curved surface shape. Since the second contact portion 53 has a concave curved surface shape, the position as a rotation fulcrum when the movable body 5 rotates around the second axis L2 is stable. The second contact portion 53 may have a flat surface shape instead of a concave curved surface, but in the case of this flat surface shape, the second tip portion 47 of the second rod-shaped support member 45 serves as the fulcrum. It is desirable to have a structure in which the amount deviated from the position of is limited to a predetermined amount.
Further, since the second tip portion 47 of the second rod-shaped support member 45 has a convex curved surface shape, the position as a rotation fulcrum when the movable body 5 rotates around the second axis L2 is stable.

また、図７に表したように、本実施形態１では、第１の接触部５１の前記凹曲面の曲率半径は、第１の先端部４３の前記凸曲面の曲率半径より大きく形成されている。更に、第１の規制部６１の第１の棒状支持部材４１の第１の延在部４２との隙間ｇは、前記凹曲面の開口縁の円の半径ｒより小さく形成されている。
同様に、図８に表したように、第２の接触部５１の前記凹曲面の曲率半径は、第２の先端部４７の前記凸曲面の曲率半径より大きく形成されている。更に、第２の規制部６３の第２の棒状支持部材４５の第２の延在部４４との隙間ｇは、前記凹曲面の開口縁の円の半径ｒより小さく形成されている。 Further, as shown in FIG. 7, in the first embodiment, the radius of curvature of the concave curved surface of the first contact portion 51 is formed to be larger than the radius of curvature of the convex curved surface of the first tip portion 43. .. Further, the gap g of the first rod-shaped support member 41 of the first regulation portion 61 with the first extending portion 42 is formed to be smaller than the radius r of the circle of the opening edge of the concave curved surface.
Similarly, as shown in FIG. 8, the radius of curvature of the concave curved surface of the second contact portion 51 is formed to be larger than the radius of curvature of the convex curved surface of the second tip portion 47. Further, the gap g of the second rod-shaped support member 45 of the second regulation portion 63 with the second extending portion 44 is formed to be smaller than the radius r of the circle of the opening edge of the concave curved surface.

また本実施形態１では、図５に表したように、第１の接触部５１は、凹曲面の開口縁の周囲に第１の補強部７５を備える。同様に、第２の接触部５３は、凹曲面の開口縁の周囲に第２の補強部７７を備える。
これにより、第１の補強部７５によって、第１の接触部５１の凹曲面の部分の強度を増加することができる。同様に、第２の補強部７７によって、第２の接触部５３の凹曲面の部分の強度を増加することができる。 Further, in the first embodiment, as shown in FIG. 5, the first contact portion 51 includes a first reinforcing portion 75 around the opening edge of the concave curved surface. Similarly, the second contact portion 53 includes a second reinforcing portion 77 around the opening edge of the concave curved surface.
As a result, the strength of the concave curved surface portion of the first contact portion 51 can be increased by the first reinforcing portion 75. Similarly, the second reinforcing portion 77 can increase the strength of the concave curved surface portion of the second contact portion 53.

また本実施形態１では、第１の棒状支持部材４１の第１の先端部４３は凸曲面の形状であり、第１の接触部５１と第１の規制部６１との第１の延在部４２の延びる方向における距離ｄ１は、第１の先端部４３の前記凸曲面の曲率半径以上に形成されている。
これにより、第１の接触部５１と第１の規制部６１との第１の延在部４２の延びる方向における距離ｄ１は、第１の先端部４３の前記凸曲面の曲率半径以上であるので、光学ユニット１に衝撃が加わった場合に、第１の棒状支持部材４１の第１の先端部（凸曲面）４３が第１の接触部（凹曲面）５１から外れにくい。これにより、第１の棒状支持部材４１が第１の規制部６１から外れてしまうことを抑制することができる。 Further, in the first embodiment, the first tip portion 43 of the first rod-shaped support member 41 has a convex curved surface shape, and the first extending portion of the first contact portion 51 and the first regulating portion 61. The distance d1 in the extending direction of 42 is formed to be equal to or greater than the radius of curvature of the convex curved surface of the first tip portion 43.
As a result, the distance d1 between the first contact portion 51 and the first regulating portion 61 in the extending direction of the first extending portion 42 is equal to or greater than the radius of curvature of the convex curved surface of the first tip portion 43. When an impact is applied to the optical unit 1, the first tip portion (convex curved surface) 43 of the first rod-shaped support member 41 is unlikely to come off from the first contact portion (concave curved surface) 51. As a result, it is possible to prevent the first rod-shaped support member 41 from coming off from the first regulation portion 61.

同様に、第２の棒状支持部材４５の第２の先端部４７は凸曲面の形状であり、第２の接触部５３と第２の規制部６３との第２の延在部４４の延びる方向における距離ｄ２は、第２の先端部４７の前記凸曲面の曲率半径以上に形成されている。
これにより、第２の接触部５３と第２の規制部６３との第２の延在部４４の延びる方向における距離ｄ１は、第２の先端部４７の前記凸曲面の曲率半径以上であるので、光学ユニット１に衝撃が加わった場合に、第１の棒状支持部材４５の第２の先端部（凸曲面）４７が第２の接触部（凹曲面）５３から外れにくい。これにより、第２の棒状支持部材４５が第２の規制部６３から外れてしまうことを抑制することができる。 Similarly, the second tip portion 47 of the second rod-shaped support member 45 has a convex curved surface shape, and the extending direction of the second extending portion 44 between the second contact portion 53 and the second regulating portion 63. The distance d2 in is formed to be equal to or greater than the radius of curvature of the convex curved surface of the second tip portion 47.
As a result, the distance d1 between the second contact portion 53 and the second regulating portion 63 in the extending direction of the second extending portion 44 is equal to or greater than the radius of curvature of the convex curved surface of the second tip portion 47. When an impact is applied to the optical unit 1, the second tip portion (convex curved surface) 47 of the first rod-shaped support member 45 is unlikely to come off from the second contact portion (concave curved surface) 53. As a result, it is possible to prevent the second rod-shaped support member 45 from coming off from the second regulating portion 63.

［実施形態２］
本発明の実施形態２を図９に基づいて説明する。
本実施形態２では、第１支持部１９において、第１の棒状支持部材４１は、ジンバルフレーム２５の第１支持部用延設部２７に接着剤により固定されている。一方、第１の接触部５１は固定体７に接着剤によって固体されている。即ち、第１の棒状支持部材４１及び第１の接触部５１の固定位置が、実施形態１と逆の関係になっている。その他の構造は、実施形態１と同様である。
第２の支持部２０ついても、第２の棒状支持部材４５及び第２の接触部５３の固定位置が、実施形態１と逆の関係になってもよい。 [Embodiment 2]
Embodiment 2 of the present invention will be described with reference to FIG.
In the second embodiment, in the first support portion 19, the first rod-shaped support member 41 is fixed to the extension portion 27 for the first support portion of the gimbal frame 25 with an adhesive. On the other hand, the first contact portion 51 is solidified on the fixed body 7 by an adhesive. That is, the fixed positions of the first rod-shaped support member 41 and the first contact portion 51 have the opposite relationship to that of the first embodiment. Other structures are the same as those in the first embodiment.
With respect to the second support portion 20, the fixed positions of the second rod-shaped support member 45 and the second contact portion 53 may have the opposite relationship to that of the first embodiment.

＜実施形態１及び実施形態２の効果の説明＞
各実施形態によれば、可動体５を固定体７に第１軸線Ｌ１周りに回転可能に支持する第１支持部１９は、固定体７とジンバルフレーム２５のうちの一方に固定された第１の棒状支持部材４１と、固定体７とジンバルフレーム２５のうちの他方に配置されて第１の棒状支持部材４１と接触する第１の接触部５１とを備える。これにより、従来のボールの代りに前記棒状支持部材４１を所定の箇所に固定する構造であるので、その棒状の部分を利用することで固定作業がし易くなり、その組立作業性が向上する。
また、可動体５が固体体７に対して変位する際の支持の支点についても棒状部材４１の先端を所望の形状に加工することで製造することができるので、その製造が容易である。 <Explanation of the effects of Embodiment 1 and Embodiment 2>
According to each embodiment, the first support portion 19 that rotatably supports the movable body 5 to the fixed body 7 around the first axis L1 is fixed to one of the fixed body 7 and the gimbal frame 25. The rod-shaped support member 41 and the first contact portion 51 arranged on the other side of the fixed body 7 and the gimbal frame 25 and in contact with the first rod-shaped support member 41 are provided. As a result, since the rod-shaped support member 41 is fixed at a predetermined position instead of the conventional ball, the fixing work is facilitated by using the rod-shaped portion, and the assembly workability is improved.
Further, the fulcrum of the support when the movable body 5 is displaced with respect to the solid body 7 can also be manufactured by processing the tip of the rod-shaped member 41 into a desired shape, so that the manufacturing is easy.

上記実施形態によれば、可動体５をジンバルフレーム２５に第１軸線Ｌ２周りに回転可能に支持する第２支持部２０は、可動体５とジンバルフレームのうちの一方に固定された第２の棒状支持部材と、可動体５とジンバルフレーム２５のうちの他方に配置されて第２の棒状支持部材と接触する第２の接触部５３とを備える。これにより、可動体５とジンバルフレーム２５の間における第２支持部２０についても、第１支持部１９と同様に、前記棒状の部分を利用することで固定作業がし易くなり、その組立作業性が向上する。 According to the above embodiment, the second support portion 20 that rotatably supports the movable body 5 on the gimbal frame 25 around the first axis L2 is a second fixed to one of the movable body 5 and the gimbal frame. It includes a rod-shaped support member and a second contact portion 53 arranged on the other side of the movable body 5 and the gimbal frame 25 and in contact with the second rod-shaped support member. As a result, the second support portion 20 between the movable body 5 and the gimbal frame 25 can be easily fixed by using the rod-shaped portion as in the first support portion 19, and the assembly workability thereof can be facilitated. Is improved.

また上記実施形態によれば、棒状支持部材４１、４５の延在部４２、４４が接触部５１、５３に対して延在部４２、４４の前記延びる方向と交差する方向に変位する範囲を規制する規制部６１、６３を備えている。これにより、光学ユニット１に衝撃が加わった場合に、支持部１９、２０が外れて可動体５や支持機構２１が脱落することを抑制することができる。
また、延在部４２、４４の長さや固定位置を調整することにより、支持機構２１における与圧を容易に調整することができる。 Further, according to the above embodiment, the range in which the extending portions 42, 44 of the rod-shaped support members 41, 45 are displaced with respect to the contact portions 51, 53 in the direction intersecting the extending direction of the extending portions 42, 44 is restricted. It is equipped with regulatory units 61 and 63. As a result, when an impact is applied to the optical unit 1, it is possible to prevent the support portions 19 and 20 from coming off and the movable body 5 and the support mechanism 21 from falling off.
Further, by adjusting the lengths and fixed positions of the extending portions 42 and 44, the pressurization in the support mechanism 21 can be easily adjusted.

また上記実施形態によれば、接触部５１、５３と規制部６１、６３との延在部４２、４４の延びる方向における距離ｄ１は、先端部４３、４７の前記凸曲面の曲率半径以上である。これにより、光学ユニット１に衝撃が加わった場合に、棒状支持部材４１、４５が規制部６１．６３からも外れてしまうことを抑制することができる。 Further, according to the above embodiment, the distance d1 in the extending direction of the extending portions 42, 44 between the contact portions 51, 53 and the regulating portions 61, 63 is equal to or greater than the radius of curvature of the convex curved surface of the tip portions 43, 47. .. As a result, it is possible to prevent the rod-shaped support members 41 and 45 from being disengaged from the regulation portion 61.63 when an impact is applied to the optical unit 1.

また上記実施形態によれば、規制部６１、６３の棒状支持部材４１、４５の延在部４２、４４との隙間ｇは、接触部５１、５３の前記凹曲面の開口縁の円の半径ｒより小さい。これにより、光学ユニット１に衝撃が加わって棒状支持部材４１、４５と規制部６１、６３が接触した場合でも、棒状支持部材４１、４５が前記凹曲面から抜けることを抑制することができる。 Further, according to the above embodiment, the gap g between the rod-shaped support members 41 and 45 of the regulation portions 61 and 63 and the extending portions 42 and 44 is the radius r of the circle of the opening edge of the concave curved surface of the contact portions 51 and 53. Smaller. As a result, even when an impact is applied to the optical unit 1 and the rod-shaped support members 41 and 45 come into contact with the regulating portions 61 and 63, it is possible to prevent the rod-shaped support members 41 and 45 from coming off the concave curved surface.

また上記実施形態によれば、前記棒状支持部材４１、４５の前記延在部４２、４４は円柱形状であり、前記規制部６１、６３は円環状である。これにより、前記棒状支持部材４１、４５と前記規制部６１、６３の規制位置と距離が全方向で同じになるので、どの方向に対しても同様に規制による外れ抑制の効果を得ることができる。 Further, according to the above embodiment, the extending portions 42, 44 of the rod-shaped support members 41, 45 have a cylindrical shape, and the regulating portions 61, 63 have an annular shape. As a result, the regulation positions and distances of the rod-shaped support members 41 and 45 and the regulation portions 61 and 63 are the same in all directions, so that the effect of suppressing the deviation by regulation can be obtained in the same manner in any direction. ..

また上記実施形態によれば、固定体７は、ジンバルフレーム２５を周囲から囲むように配置されている。これにより、支持機構２１の与圧調整を、固定体７の側から調整できるよう構造にすることで、その調整作業を行い易くすることができる。 Further, according to the above embodiment, the fixed body 7 is arranged so as to surround the gimbal frame 25 from the periphery. As a result, the pressurization adjustment of the support mechanism 21 can be adjusted from the side of the fixed body 7, and the adjustment work can be facilitated.

［他の実施形態］
本発明に係る光学ユニット１は、以上述べたような構成を有することを基本とするものであるが、本願発明の要旨を逸脱しない範囲内での部分的構成の変更や省略等を行うことも勿論可能である。 [Other Embodiments]
The optical unit 1 according to the present invention is basically having the above-described configuration, but it is also possible to partially change or omit the configuration within a range that does not deviate from the gist of the present invention. Of course it is possible.

光学モジュール３としては、実施形態で述べたカメラモジュールに限らず、レーザー照射モジュールや光センサーモジュール等、他のモジュールであってもよい。また、光学モジュール３が円筒形状等、他の形状である場合には、ホルダ枠１７とコイル取付けフレーム３５等の形状を光学モジュール３の形状に合わせた形状にすることが可能である。 The optical module 3 is not limited to the camera module described in the embodiment, and may be another module such as a laser irradiation module or an optical sensor module. When the optical module 3 has another shape such as a cylindrical shape, the shapes of the holder frame 17 and the coil mounting frame 35 and the like can be made to match the shape of the optical module 3.

１…光学ユニット、３…光学モジュール、３ａ…レンズ、３ｂ…ハウジング、
４…窓部、５…可動体、７…固定体、１３…フレキシブル配線基板、１７…枠体、
１９…第１支持部、２０…第２支持部、２１…支持機構、
２３…振れ補正用駆動機構、２４…ベースフレーム、２５…ジンバルフレーム、
２６…第１延在部、２７…第１支持部用延設部、２８…第２延在部、
２９…第２支持部用延設部、３０…開口部、３１、３２…補正用コイル、
３３、３４…磁石、３５…ヨーク、３９…外部ケーシング、
４１…第１の棒状支持部材、４２…第１の延在部、４３…第１の先端部、
４４…第２の延在部、４５…第２の棒状支持部材、４６…第１のフランジ、
４７…第２の先端部、４８…第２のフランジ、５１…第１の接触部、
５３…第２の接触部、６１…第１の規制部、６３…第２の規制部、
６５…第１の孔、６７…第２の孔、７１…第１の凹部、７２…第２の凹部、
Ｌ…光軸方向、Ｘ…ヨーイング方向（横振れ方向）、
Ｙ…ピッチング方向（縦振れ方向）、Ｚ…光軸に沿う方向、Ｌ１…第１軸線、
Ｌ２…第２軸線、Ｄ…折れ線、Ｅ…折れ線 1 ... Optical unit, 3 ... Optical module, 3a ... Lens, 3b ... Housing,
4 ... window part, 5 ... movable body, 7 ... fixed body, 13 ... flexible wiring board, 17 ... frame body,
19 ... 1st support, 20 ... 2nd support, 21 ... Support mechanism,
23 ... Drive mechanism for runout correction, 24 ... Base frame, 25 ... Gimbal frame,
26 ... 1st extension part, 27 ... extension part for 1st support part, 28 ... second extension part,
29 ... Extension for the second support, 30 ... Opening, 31, 32 ... Correction coil,
33, 34 ... magnet, 35 ... yoke, 39 ... outer casing,
41 ... 1st rod-shaped support member, 42 ... 1st extending portion, 43 ... 1st tip portion,
44 ... 2nd extension, 45 ... 2nd rod-shaped support member, 46 ... 1st flange,
47 ... 2nd tip, 48 ... 2nd flange, 51 ... 1st contact,
53 ... 2nd contact part, 61 ... 1st regulation part, 63 ... 2nd regulation part,
65 ... 1st hole, 67 ... 2nd hole, 71 ... 1st recess, 72 ... 2nd recess,
L ... Optical axis direction, X ... Yawing direction (lateral runout direction),
Y ... Pitching direction (longitudinal runout direction), Z ... Direction along the optical axis, L1 ... First axis,
L2 ... 2nd axis, D ... polygonal line, E ... polygonal line

Claims (10)

光学モジュールを備える可動体と、
前記可動体を変位可能な状態で保持する固定体と、
前記可動体を前記固定体に対して、前記光学モジュールの光軸方向と交差する第１軸線周りに回転可能に支持するジンバルフレームを有する支持機構と、を備え、
前記支持機構は、第１支持部を介して、前記可動体を前記固定体に対して前記第１軸線周りに回転可能に支持し、
前記第１支持部は、
前記固定体と前記ジンバルフレームのうちの一方に固定された第１の棒状支持部材と、
前記固定体と前記ジンバルフレームのうちの他方に配置されて前記第１の棒状支持部材と接触する第１の接触部と、を備え、
前記第１の棒状支持部材は前記第１の接触部と弾性的に押し付けられた状態で接触する第１の先端部を備える、ことを特徴とする光学ユニット。 Movable bodies with optical modules and
A fixed body that holds the movable body in a displaceable state, and
A support mechanism having a gimbal frame that rotatably supports the movable body with respect to the fixed body around a first axis intersecting the optical axis direction of the optical module is provided.
The support mechanism rotatably supports the movable body with respect to the fixed body around the first axis through the first support portion.
The first support portion
A first rod-shaped support member fixed to one of the fixed body and the gimbal frame,
The fixed body and the first contact portion arranged on the other side of the gimbal frame and in contact with the first rod-shaped support member are provided.
An optical unit, characterized in that the first rod-shaped support member includes a first tip portion that comes into contact with the first contact portion in an elastically pressed state. 請求項１に記載された光学ユニットにおいて、
前記支持機構は、第２支持部を介して、前記可動体を前記ジンバルフレームに前記光軸方向及び前記第１軸線方向に交差する第２軸線周りに回転可能に支持し、
前記第２支持部は、
前記可動体と前記ジンバルフレームのうちの一方に固定された第２の棒状支持部材と、
前記可動体と前記ジンバルフレームのうちの他方に配置されて前記第２の棒状支持部材と接触する第２の接触部と、を備え、
前記第２の棒状支持部材は前記第２の接触部と弾性的に押し付けられた状態で接触する第２の先端部を備える、ことを特徴とする光学ユニット。 In the optical unit according to claim 1,
The support mechanism rotatably supports the movable body on the gimbal frame around the second axis intersecting the optical axis direction and the first axis direction via the second support portion.
The second support portion
A second rod-shaped support member fixed to one of the movable body and the gimbal frame,
A second contact portion arranged on the other side of the movable body and the gimbal frame and in contact with the second rod-shaped support member is provided.
An optical unit characterized in that the second rod-shaped support member includes a second tip portion that comes into contact with the second contact portion in an elastically pressed state. 請求項１又は２に記載された光学ユニットにおいて、
前記棒状支持部材は基端にフランジを備える、ことを特徴とする光学ユニット。 In the optical unit according to claim 1 or 2.
The rod-shaped support member is an optical unit having a flange at its base end. 請求項１から３のいずれか一項に記載された光学ユニットにおいて、
前記棒状支持部材は基端から前記先端部に向かって延びる延在部を備え、
前記延在部は、前記接触部に対して、前記ジンバルフレームが前記延在部の前記延びる方向と交差する方向に変位する範囲を規制する規制部を備える、ことを特徴とする光学ユニット。 In the optical unit according to any one of claims 1 to 3.
The rod-shaped support member includes an extending portion extending from the base end toward the tip end portion.
The extending portion is an optical unit including a regulating portion that regulates a range in which the gimbal frame is displaced with respect to the contact portion in a direction intersecting the extending direction of the extending portion. 請求項４に記載された光学ユニットにおいて、
前記棒状支持部材の前記先端部は凸曲面の形状であり、
前記接触部と前記規制部との前記延在部の延びる方向における距離は、前記凸曲面の曲率半径以上である、ことを特徴とする光学ユニット。 In the optical unit according to claim 4,
The tip of the rod-shaped support member has a convex curved surface shape.
An optical unit characterized in that the distance between the contact portion and the restricting portion in the extending direction of the extending portion is equal to or greater than the radius of curvature of the convex curved surface. 請求項４に記載された光学ユニットにおいて、
前記棒状支持部材の前記先端部は凸曲面の形状であり、
前記接触部は凹曲面の形状であり、
前記凹曲面の曲率半径は前記凸曲面の曲率半径より大きく、
前記規制部の前記棒状支持部材の前記延在部との隙間は、前記凹曲面の開口縁の円の半径より小さい、ことを特徴とする光学ユニット。 In the optical unit according to claim 4,
The tip of the rod-shaped support member has a convex curved surface shape.
The contact portion has a concave curved surface shape.
The radius of curvature of the concave curved surface is larger than the radius of curvature of the convex curved surface.
An optical unit characterized in that the gap between the rod-shaped support member and the extending portion of the restricting portion is smaller than the radius of the circle of the opening edge of the concave curved surface. 請求項６に記載された光学ユニットにおいて、
前記接触部は、前記凹曲面の開口縁の周囲に補強部を備える、ことを特徴とする光学ユニット。 In the optical unit according to claim 6,
The contact portion is an optical unit including a reinforcing portion around the opening edge of the concave curved surface. 請求項４から７のいずれか一項に記載された光学ユニットにおいて、
前記接触部と前記規制部は一体の部材で形成されている、ことを特徴とする光学ユニット。 In the optical unit according to any one of claims 4 to 7.
An optical unit characterized in that the contact portion and the regulation portion are formed of an integral member. 請求項４から８のいずれか一項に記載された光学ユニットにおいて、
前記棒状支持部材の前記延在部は円柱形状であり、
前記規制部は円環状である、ことを特徴とする光学ユニット。 In the optical unit according to any one of claims 4 to 8.
The extending portion of the rod-shaped support member has a cylindrical shape.
An optical unit characterized in that the regulating portion is annular. 請求項１から９のいずれか一項に記載された光学ユニットにおいて、
前記固定体は、前記ジンバルフレームを周囲から囲むように配置されている、ことを特徴とする光学ユニット。
In the optical unit according to any one of claims 1 to 9.
An optical unit characterized in that the fixed body is arranged so as to surround the gimbal frame from the periphery.
JP2019067967A 2019-03-29 2019-03-29 Optical unit Pending JP2020166179A (en)

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